MAX4740/MAX4740H 19-0558 Rev 1 11/07 Quad SPDT Audio Switches General Description Features Low On-Resistance (0.61 typ) The MAX4740/MAX4740H low on-resistance (0.61 typ) analog switches operate from a single 1.6V to 5.5V 0.06 (typ) Channel-to-Channel Matching supply. The MAX4740/MAX4740H are quad, single- 0.32 (typ) On-Resistance Flatness pole, double-throw (SPDT) switches and are configured 1.6V to 5.5V Single-Supply Voltage to route audio signals. The MAX4740/MAX4740H are High PSRR Reduces Supply Noise (-60dB typ) pin-to-pin compatible parts with the ST Microelectronics quad SPDT STG3699 analog switch. 0.08% Total Harmonic Distortion -68dB typ Crosstalk (100kHz) The MAX4740 is a quad SPDT switch and the MAX4740H is a quad SPDT switch that can be placed -64dB typ Off-Isolation (100kHz) in a high-impedance mode. Switching logic is con- Low Supply Current (0.3A typ) trolled by 2 control bits (CB1 and CB2). The MAX4740/ Low Leakage Current (0.1A typ) MAX4740H also feature a low on-resistance match Pin-to-Pin Compatible with ST Micro STG3699 (0.06 ) and low power-supply current (0.3A), which increases battery life. (3mm x 3mm) 16-Pin TQFN, and (2.5mm x 2.5mm) 16-Pin Ultra-Thin QFN Packages The MAX4740/MAX4740H are available in a tiny 3mm x 3mm, 16-pin TQFN-EP, and 2.5mm x 2.5mm, 16-pin ultra- Ordering Information thin QFN packages. TOP PKG PART PIN-PACKAGE MARK CODE Applications 16 TQFN-EP MAX4740ETE+ AEV T1633-4 Voice Switching (3mm x 3mm) Cellular Phones 16 Ultra-Thin QFN MAX4740EVE+ +AAA V162A2-1 (2.5mm x 2.5mm) PDAs and other Handheld Devices 16 TQFN-EP MAX4740HETE+ AEW T1633-4 MP3 Player (3mm x 3mm) Notebook Computers 16 Ultra-Thin QFN MAX4740HEVE+ +AAB V162A2-1 (2.5mm x 2.5mm) Typical Operating Circuit Note: All devices are guaranteed over the -40C to +85C temperature range. 1.6V to 5.5V EP = Exposed pad. V CC Pin Configuration NO1 COM1 TOP VIEW NC1 BASEBAND (SPEECH) INTERNAL 12 11 10 9 SPEAKER NO2 COM2 NC4 13 NC2 8 COM3 CB1 V CC 14 CONTROL 7 NO3 LOGIC CB2 MAX4740 NO3 MAX4740H NO1 15 6 GND COM3 *EP NC3 EXTERNAL COM1 16 BLOCKING CAPS 5 NC2 HEADPHONES + NO4 12 34 COM4 MIDI EXTERNAL NC4 (RINGER) HEADPHONES GND 3mm x 3mm Thin QFN/ MAX4740 2.5mm x 2.5mm Ultra-Thin QFN *CONNECT EP TO GND OR LEAVE EP UNCONNECTED. Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com. NC1 COM4 CB1 NO4 NO2 CB2 COM2 NC3Quad SPDT Audio Switches ABSOLUTE MAXIMUM RATINGS (All voltages referenced to GND.) Continuous Power Dissipation (T = +70C) A V , CB ...............................................................-0.3V to +6.0V 16-Pin TQFN (3mm x 3mm), Single-Layer Board CC COM , NC , NO .......................................-0.3V to (V + 0.3V) (derate 15.6mW/C above +70C)..............................1250mW CC Continuous Current NO , NC , COM ..........................300mA 16-Pin TQFN (3mm x 3mm), Multilayer Board (derate Peak Current NO , NC , COM 20.8mW/C above +70C) ..........................................1667mW (pulsed at 1ms, 50% duty cycle).................................400mA 16-Pin Ultra-Thin QFN (2.5mm x 2.5mm), MultiLayer Peak Current NO , NC , COM Board (derate 11.5mW/C above +70C) .................923.8mW (pulsed at 1ms, 10% duty cycle).................................500mA Operating Temperature Range ...........................-40C to +85C Junction Temperature......................................................+150C Storage Temperature Range .............................-65C to +150C Lead Temperature (soldering, 10s) .................................+300C Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (V = +2.7V to +5.5V, T = -40C to +85C, unless otherwise noted. Typical values are at T = +25C, V = +3.3V.) (Note 1) CC A A CC PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS POWER SUPPLY Supply Voltage Range V 1.6 5.5 V CC V = +5.5V, V = 0V or V 0.3 1 CC CB CC Supply Current I V = +5.5V, V = 0.5V or +1.6V 0.3 5 A CC CC CB V = +2.5V, V = 0.5V or +1.4V 0.1 CC CB ANALOG SWITCH V , NC Analog Signal Range V , (Note 2) 0 V V NO CC V , COM T = +25C 0.61 0.90 A V = 3.3V, I = CC COM 100mA CB = low or On-Resistance R ON T = T to A MIN 1 high T MAX T = +25C 0.06 A V = 3.3V, V or CC NC On-Resistance Match Between R V = 0.875V I = ON NO COM T = T to A MIN Channels 0.1 100mA (Note 3) T MAX T = +25C 0.32 0.72 A V = 3.3V, V = 0 CC COM On-Resistance Flatness R to V I = 100mA FLAT(NO) CC COM T = T to A MIN 0.87 (Note 4) T MAX I V = 5.5V V or V = 0.3V, 5.5V NO (OFF), CC NC NO NO , NC Off-Leakage Current -1 0.1 +1 A I V = 5.5V or 0.3V NC (OFF) COM V = 5.5V, V or V = 0.3V, 5.5V, or CC NC NO COM On-Leakage Current I unconnected V = 0.3V, 5.5V, or -1 0.1 +1 A COM (ON) COM unconnected 2 MAX4740/MAX4740H